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Viscosity Solution to First Order Hamilton-Jacobi Equations and Applications III

Abstract

Lecture I.  

Introduction. Definition of viscosity solution, stability result for continuous solutions, various comparison results.

Lecture II.  

The half-relaxed limit. Notion of viscosity solutions when solution and/or equations are discontinuous, existence properties via Perron's method, regularity results.

Lecture III.  

Application to spreading of two competing species with exponentially decaying initial data.